Some parameters are write-protected. (MR-J4/MR-J3: PA19)
The parameter to be displayed is determined by the setting value of this parameter.
Do as follows for MR Configurator2.
Method 1:
Set PA19 to “000E” in the list display and perform the parameter reading after writing PA19 to the servo amplifier (servo amplifier power supply OFF/ON).
Method 2:
Set PA19 to “000E” in the parameter block and click “initial setting” button.
The parameters other than PA19 are initialized.

The setting value “000E” differs depending on the parameter reference/writing range.